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EB – PFA Lined Double Mechanical Seal Chemical Process Pump

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  • Pump dimensions to DIN EN ISO 2858
  • Metal casing with a thick vacuum-, corrosion- and permeation-resistant PFA lining
  • PFA lining positively, mechanically locked into the metal armour, ensuring vacuum resistance
  • Non-clog, wear-resistant open plastic impeller with a metal core allowing easy and accurate clearance adjustment and delivering low NPSH
  • FuturaTef® double mechanical seal excellently suited to fluids with a high solids content and tending to crystallise and/or polymerise; no metal parts on the product side
  • External arrangement preventing the mechanical seal parts from clogging or sticking
  • Other standard commercial mechanical seals available
  • Pump designed as a modular system constructed with robust components

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EB

Operation Range
 
Capacities 0.5 to 400 m3/h
Heads 5 to 100 m
Pressure rating PN 16
Temperatures -20°C to +150°C
Kinematic viscosities 0.5 to 350 mm2/s
Solids handling Highly suitable
Casing Material
 
Cast iron/plastic GGG 40.3 with vacuum-resistant PFA lining
Working Principle
Radial flow pump
Stages Single stage
Priming Method
Flooded suction
Sealing System
Double mechanical seal, single mechanical seal
Configurations
EN standard configuration Frame-mounted (-20°C to +150°C)
Mounting arrangement Horizontal
EC Directives 2006/42/EC (Machinery), 2014/34/EC (ATEX)
Standards DIN EN ISO 2858 and 5199

Casing
Materials of construction Cast iron with PFA lining
Connection flanges To EN 1092-2
Drilled to ANSI/ASME B16.5
Additional connections Casing drain (with or without flange)
Mechanical seal housing drain/vent
Gasket materials PTFE-enveloped
Gylon® blue
Casing wear ring

Mechanical Seal
Double mechanical seal FuturaTef®
Standard commercially available
Single mechanical seal Standard commercially available

Double Mechanical Seal Barrier/Buffer Fluid Vessel
Vessel Cooling coil, manometer, thermometer and sight glass
Total volume from 3 to 12 l (depending on vessel type)
Hand refill pump (depending on vessel type)
Vessel connections Stainless steel braided PTFE hose
Stainless steel piping
Brackets Steel
Stainless steel
Pump Protection
Barrier/buffer fluid monitoring Level switch
Pressure switch
Temperature probe
Motor load sensor

Mount
Type Baseplate
Materials Steel
Stainless steel
Stilts
Drip pan

Bearing Frame
Lubrication Oil lubrication
Oil lubrication options Constant level oiler
Coupling
Coupling guard Steel
Brass

Industries

  • Chemical processing:
    basic and fine chemicals
    (agrochemicals, speciality chemicals)
  • Pharmaceuticals
  • Biotechnology processing
  • Food and beverages
  • Pulp and paper

Processes

A wide variety, including:

  • Chlor-alkali electrolysis
  • Processes in multifunctional facilities
  • Sulphuric acid recycling
  • Tank unloading

Fluids

Acids, bases, solvents, suspensions and fluids containing solids. For example:

  • Calcium chloride
  • Dichloromethane
  • Glutaric acid
  • Hydrochloric acid
  • Hydrofluoric acid
  • Methyl acetate
  • Silane
  • Sodium chloride
  • Sulphuric acid

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